Table 1: Chemical components of carbide residue and white carbon black.

Chemical components (contents)/%
CaOSiO2Al2O3SO2MgO Fe2O3SrO NaOH CuO H2O

Carbide residue 79.34 3.57 2.141.22 0.62 0.210.26 12.64
White carbon black 0.08 97.46 0.161.82 0.030.29 0.02 0.14